Bibcode
Díaz, A. J.; Asensio-Ramos, A.; Arregui, I.
Bibliographical reference
The Astrophysical Journal Letters, Volume 765, Issue 1, article id. L23, 5 pp. (2013).
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3
2013
Citations
20
Refereed citations
20
Description
The detection of multiple mode harmonic kink oscillations in coronal
loops enables us to obtain information on coronal density stratification
and magnetic field expansion using seismology inversion techniques. The
inference is based on the measurement of the period ratio between the
fundamental mode and the first overtone and theoretical results for the
period ratio under the hypotheses of coronal density stratification and
magnetic field expansion of the wave guide. We present a Bayesian
analysis of multiple mode harmonic oscillations for the inversion of the
density scale height and magnetic flux tube expansion under each of the
hypotheses. The two models are then compared using a Bayesian model
comparison scheme to assess how plausible each one is given our current
state of knowledge.
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